USA, California, San Francisco, S side of Mallard Lake, Golden Gate, San Francisco, S.F. Co., Calif.
Locally abundant in humus and duff
Acacia longifolia, also Senecio mikaniodes, Rubus procerus, and Veronica persica. In general vicinity were Pinus radiata and Cupressus macrocarpa.
Petals white; sepals pale green with whitish margins. Siliques a suppressed green, frequently tinged with dull purple, esp. toward tips. Lvs. green with a little gloss, paler underneath. Lowermost lvs. commonly dull purplish toward their bases. Stems pale green.